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How Does an ‘Attestation’ Work in PoS?

A validator's signed vote confirming the validity of a block and the chain state, contributing to consensus.
Greeks.Live03.11.25

How Does an ‘Attestation’ Work in PoS?

An attestation is a vote by a validator to confirm the validity of a block and the current state of the chain. Validators sign messages attesting to their view of the chain.

A sufficient number of attestations (a supermajority) is required to finalize a block and move the chain forward, ensuring consensus and security.

Contrast Proof-of-Work (PoW) and Proof-of-Stake (PoS)
How Does the Concept of “Support Turning into Resistance” Work?
How Does an Automated Market Maker (AMM) Work?
What Is the Difference between Delegated PoS (DPoS) and Pure PoS?

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